Synonyms and other taxonomic changes
Numbers
There are 14 species & 3 subspecies in BugGuide's range. But, per RJ Adams comment in 2010: "The genus is in moderate disarray and is in need of a revision. Numerous undescribed species can be found in most major museum collections".
Identification
Members of this genus usually have iridescent scales on the body. The egg sacs are red, flattened discs fastened to the underside of stones.
(1)
Femora with 1 dorsal spine, tibia I usually dark.
(2)
Palps: P. alarius, P. borealis, P. certus
Range
Exact distribution within these countries will be added as time permits.
P. abditus - USA
P. alarius - NM to FL, north to WI and Nova Scotia
(3)
- P. alarius tejanus - USA, Canada
P. borealis - British Columbia to Nova Scotia south to UT, northern MEX, and NC
(3)
P. certus - Alberta to Nova Scotia south to WY, AL, and VA
(3)
P. chamberlini - USA
P. dulcineus - FL north to NE and southern Ontario
(3)
P. illudens - USA
P. mateonus - USA
P. minutus - IL to MA south to NJ
(3)
P. mormon - USA
- P. mormon xanthus - USA
P. parallelus - USA
P. subtropicus - USA
P. truncatus - USA
P. woodburyi - USA
- P. woodburyi utanus- USA